title: Genetic and environmental analysis of behavioral risk factors for adolescent drug use in a community twin sample.
mesh_terms: D000293:Adolescent; D000328:Adult; D004200:Diseases in Twins / Q000209:etiology* / Q000235:genetics; D004777:Environment; D005260:Female; D005824:Genetics, Behavioral; D006801:Humans; D008297:Male; D008954:Models, Biological; D015999:Multivariate Analysis; D012307:Risk Factors; D019966:Substance-Related Disorders / Q000209:etiology* / Q000235:genetics; D014429:Twins, Dizygotic / Q000235:genetics; D014430:Twins, Monozygotic / Q000235:genetics